1011110105111 has 2 divisors, whose sum is σ = 1011110105112. Its totient is φ = 1011110105110.

The previous prime is 1011110105087. The next prime is 1011110105177. The reversal of 1011110105111 is 1115010111101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011110105111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011110105711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555052555 + 505555052556.

It is an arithmetic number, because the mean of its divisors is an integer number (505555052556).

Almost surely, 2^{1011110105111} is an apocalyptic number.

1011110105111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011110105111 is an equidigital number, since it uses as much as digits as its factorization.

1011110105111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5, while the sum is 14.

Adding to 1011110105111 its reverse (1115010111101), we get a palindrome (2126120216212).

The spelling of 1011110105111 in words is "one trillion, eleven billion, one hundred ten million, one hundred five thousand, one hundred eleven".